*{
    margin: 0;
    padding: 0;
}
#father{
    width: 600px;
    height: 100%;
    background-color: blanchedalmond;
    margin: auto;
    position: relative;
    margin-top: 150px;
}
table{
    width: 100%;
   /*  background-color: red; */
}
table,th,td{
    border: 1px solid;
    border-spacing: 0px;
}
table td{
    padding-top: 15px;
    padding-bottom: 15px;
    padding-left: 15px;
    padding-right: 15px;
    text-align: center;
}
table th{
    background-color: bisque;
}
#table_name{
    width: 150px;
}

button{
    width: 50px;
    height: 30px;
}

#table_box{
    width: 100%;
    height: 100%;
    background-color: brown;
    position: absolute;
    top: 60px;
}


#select_box{
    width: 400px;
    height: 100px;
    /* background-color: aquamarine; */
    position: absolute;
}
#ipt_text{
      height: 40px;
      outline: none;
}
#select{
    width: 70px;
    height: 50px;
    border-radius: 5px;
}
#XinZeng{
    width: 70px;
    height: 50px;
    border-radius: 5px;
}





 
/* 当背景图片的background-attachment 为 fixed  背景图片的定位永远相当于浏览器的窗口 */
/* opacity:设置透明度 */